A 7-year-old boy with h/o trauma 2 months back now presents with fever and acute pain over thigh. On X-ray femoral shaft shows lesions with multiple laminated periosteal reaction next line of management:

Orthopaedics

A 7-year-old boy with h/o trauma 2 months back now presents with fever and acute pain over thigh. On X-ray femoral shaft shows lesions with multiple laminated periosteal reaction next line of management:

What is the use of the given instrument:

Which fracture results in the given deformity?

Positive pivot shift test in knee is because of injury to -